| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a | 59467 |
|
| 2 | at [adv] [prep] | 3658 |
|
| 3 | at [adv] a | 1223 |
|
| 4 | at [prep] a | 126 |
|
